ugkattrindex.h

linux下一款GIS程序源码

// ugkattrIndex.h: interface for the UGKAttrIndex class.
//
/************************************************************************/
/*                             UGKAttrIndex                             */
/*                                                                      */
/*      Base class for accessing the indexing info about one field.     */
/************************************************************************/

#ifndef  UGKAttrIndex_H
#define  UGKAttrIndex_H

#include "ugkglobal.h"

class UGKAttrIndex  
{
protected:
	      UGKAttrIndex();

public:	
	virtual ~UGKAttrIndex();

	virtual long   GetFirstMatch( UGKField *psKey ) = 0;
	virtual long  *GetAllMatches( UGKField *psKey ) = 0;

	virtual UGKErr AddEntry( UGKField *psKey, long nFID ) = 0;
	virtual UGKErr RemoveEntry( UGKField *psKey, long nFID ) = 0;

	virtual UGKErr Clear() = 0;

};

#endif